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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
60°F
16°C
| Humidity | 60% |
| Wind Speed | SE 7 mph |
| Barometer | 30.19 in (1022.3 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 5:56 pm EDT |
Extended Forecast for
Holbrook NY
Tonight
Low: 52 °F
Mostly Clear
then Chance
ShowersFriday
High: 71 °F
Showers then
Chance
ShowersFriday Night
Low: 45 °F
Showers then
Showers
LikelySaturday
High: 53 °F
Decreasing
CloudsSaturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 61 °F
Sunny
Monday Night
Low: 45 °F
Partly Cloudy
Detailed Forecast
Tonight
A 30 percent chance of showers after 5am. Increasing clouds, with a low around 52. Southeast wind 3 to 7 mph.
Friday
Showers, with thunderstorms also possible after 2pm. High near 71. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers after 8pm. Low around 45. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind around 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 39. North wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Holbrook NY
40.8°N 73.06°W (Elev. 66 ft)
40.8°N 73.06°W (Elev. 66 ft)
2:36 pm EDT Oct 15, 2026
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
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